Home / 13,481,294.40-20,221,941.60-8,946,331.20

Finding the Fourth Proportional to 13,481,294.40, 20,221,941.60 and 8,946,331.20

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Solution

The fourth proportional to 13,481,294.40, 20,221,941.60 and 8,946,331.20 is: 13,419,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,294.40 : 20,221,941.60 = 8,946,331.20 : x
  2. Step 2: Convert to fraction form
    13,481,294.40/20,221,941.60 = 8,946,331.20/x
  3. Step 3: Cross multiply
    13,481,294.40x = 20,221,941.60 × 8,946,331.20
  4. Step 4: Simplify right side
    13,481,294.40x = 180,912,187,060,657.91
  5. Step 5: Solve for x
    x = 180,912,187,060,657.91/13,481,294.40
  6. Step 6: Final answer
    x = 13,419,496.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.